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Finding the Fourth Proportional to 481,634.40, 722,232.90 and 182,015.40

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Solution

The fourth proportional to 481,634.40, 722,232.90 and 182,015.40 is: 272,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,634.40 : 722,232.90 = 182,015.40 : x
  2. Step 2: Convert to fraction form
    481,634.40/722,232.90 = 182,015.40/x
  3. Step 3: Cross multiply
    481,634.40x = 722,232.90 × 182,015.40
  4. Step 4: Simplify right side
    481,634.40x = 131,457,510,186.66
  5. Step 5: Solve for x
    x = 131,457,510,186.66/481,634.40
  6. Step 6: Final answer
    x = 272,940.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.